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Nano stone protectant and preparation method thereof

A protective agent and stone technology, applied in the field of stone protective agent, can solve the problems of airtightness, non-environmental protection, short time limit, etc.

Inactive Publication Date: 2009-09-02
广东拓扑中润科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, wax and polyacrylic acid have the defects of film formation, airtightness and short aging
The protective agent with better performance and longer aging time is solvent-based organic fluorine, but it is not environmentally friendly.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Mixture solution of trialkoxysilane and tetraalkoxysilane 45%

[0024] 1% fluorosilane [CF 3 (CF 2 ) 5 CH 2 CH 2 Si(OC 2 H 5 ) 3 】Solution 45%

[0025] 30% nano silica solution 3.0%

[0026] 10% nano titanium oxide solution 7.0%

[0027] Among them, the preparation of the mixture solution of trialkoxysilane and tetraalkoxysilane: first dissolve 40 parts by mass of tetramethoxysilane with 4 parts by mass of 0.4% acetic acid aqueous solution to prepare the average molecular weight between 300-700 Add 100 parts by mass of ethyltriethoxysilane to 150 parts by mass of isopropanol to dissolve, then mix the two solutions, stir uniformly, and heat at 50°C for 60 minutes; natural cooling below 25°C is enough.

Embodiment 2

[0029] Mixture solution of trialkoxysilane and tetraalkoxysilane 40%

[0030] 1% fluorosilane [CF 3 (CF 2 ) 5 CH 2 CH 2 Si(OC 2 H 5 ) 3 】Solution 50%

[0031] 30% nano silicon oxide solution 2.0%

[0032] 10% nano titanium oxide solution 8.0%

[0033] The preparation of the mixture solution of trialkoxysilane and tetraalkoxysilane is the same as in Example 1.

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Abstract

The invention relates to the technical field of stone protective agents, in particular to a nano-stone protective agent and a preparation method thereof. The composition of the surface coating agent of the present invention is: volume percentage, mixture solution of trialkoxysilane and tetraalkoxysilane 40~ 55%, 1% fluorosilane solution 30-50%, 30% nano-silicon oxide solution 1.5-3.0%, 10% nano-titanium oxide solution 3.0-8.5%; primer is 1% fluorosilane solution; The invention also provides a preparation method of the nano-stone protective agent; the present invention can improve the weather resistance of the existing stone protective agent, make it easy to clean and non-stick, and decompose the microorganisms that exist naturally due to the natural characteristics of the stone. The pollution caused by exhaust gas emission to stone.

Description

Technical field: [0001] The invention relates to the technical field of stone protective agents, in particular to a stone protective agent and a preparation method thereof. Background technique: [0002] The chemical damage of stone generally refers to that the components in the stone react with other chemical substances, causing the stone to lose its components, loose, crack and reduce its physical properties. Especially the carbonate-based marble has the most obvious performance, the most common example It is CaCO in marble. And SO in acid rain 2 , CO 2 The reaction results in the gradual weathering of the stone and the continuous removal of water, forming holes, grooves, and cracks; those that cannot be taken away by the water will form a sharp skin layer, which is different from the original stone structure, and eventually water drops and scales appear. The shape falls off, and some have a black layer. This kind of chemical damage is the most common and obvious in stone cultu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/45C04B41/61
CPCC04B2111/00017C04B2111/00008C04B2111/2038C04B2111/00517C04B28/24
Inventor 秦如新
Owner 广东拓扑中润科技发展有限公司